<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>404 Not Found</title>
  <style>
    body {
      font-family: Arial, sans-serif;
      background-color: #f1f1f1;
      margin: 0;
      padding: 0;
    }
    .container {
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100vh;
    }
    .content {
      text-align: center;
    }
    h1 {
      font-size: 48px;
      color: #333;
      margin-bottom: 24px;
    }
    p {
      font-size: 18px;
      color: #666;
      margin-bottom: 16px;
    }
    a {
      color: #007bff;
      text-decoration: none;
    }
  </style>
</head>
<body>
  <div class="container">
    <div class="content">
      <h1>404 Not Found</h1>
      <p>The page you requested could not be found.</p>
      <p>Please go back to the <a href="/">homepage</a>.</p>
    </div>
  </div>
</body>
</html>
